Home / 26,385.32-36,409.92-15,055.34

Finding the Fourth Proportional to 26,385.32, 36,409.92 and 15,055.34

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Solution

The fourth proportional to 26,385.32, 36,409.92 and 15,055.34 is: 20,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.32 : 36,409.92 = 15,055.34 : x
  2. Step 2: Convert to fraction form
    26,385.32/36,409.92 = 15,055.34/x
  3. Step 3: Cross multiply
    26,385.32x = 36,409.92 × 15,055.34
  4. Step 4: Simplify right side
    26,385.32x = 548,163,724.97
  5. Step 5: Solve for x
    x = 548,163,724.97/26,385.32
  6. Step 6: Final answer
    x = 20,775.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.